91220140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 222969600

約数和(自身を除く): 131749460

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 139, 157, 190, 209, 220, 278, 314, 380, 418, 556, 628, 695, 785, 836, 1045, 1390, 1529, 1570, 1727, 2090, 2641, 2780, 2983, 3058, 3140, 3454, 4180, 5282, 5966, 6116, 6908, 7645, 8635, 10564, 11932, 13205, 14915, 15290, 17270, 21823, 26410, 29051, 29830, 30580, 32813, 34540, 43646, 52820, 58102, 59660, 65626, 87292, 109115, 116204, 131252, 145255, 164065, 218230, 240053, 290510, 328130, 414637, 436460, 480106, 581020, 656260, 829274, 960212, 1200265, 1658548, 2073185, 2400530, 4146370, 4561007, 4801060, 8292740, 9122014, 18244028, 22805035, 45610070, 91220140]

約数ペア:

[(1, 91220140), (2, 45610070), (4, 22805035), (5, 18244028), (10, 9122014), (11, 8292740), (19, 4801060), (20, 4561007), (22, 4146370), (38, 2400530), (44, 2073185), (55, 1658548), (76, 1200265), (95, 960212), (110, 829274), (139, 656260), (157, 581020), (190, 480106), (209, 436460), (220, 414637), (278, 328130), (314, 290510), (380, 240053), (418, 218230), (556, 164065), (628, 145255), (695, 131252), (785, 116204), (836, 109115), (1045, 87292), (1390, 65626), (1529, 59660), (1570, 58102), (1727, 52820), (2090, 43646), (2641, 34540), (2780, 32813), (2983, 30580), (3058, 29830), (3140, 29051), (3454, 26410), (4180, 21823), (5282, 17270), (5966, 15290), (6116, 14915), (6908, 13205), (7645, 11932), (8635, 10564)]